The ten nequdoth of the Torah; or, The meaning and purpose of the extraordinary points of the Pentateuch (Massoretic text) A contribution to the history of textual criticism among the ancient Jews,

Biography: p. iii.

The censorship of Hebrew books : submitted in partial fulfilment of the requirements for the degree of Doctor of Philosophy, Columbia University /

Principal authorities: p. iv-v.

Etiken og evolutionslaeren. ...

Thesis (Ph. D.)--Kopenhagen University, 1925.

The English ode from Milton to Keats,

Issued also as thesis (PH. D.) Columbia university.

Electric franchises in New York city,

Published also as thesis (PH. D.) Columbia university, 1919.

The effect of distraction on reaction time, with special reference to practice and the transfer of training,

Published also as thesis (PH. D.) Columbia University.

An empirical study of certain tests for individual differences,

Columbia contributions to philosophy and psychology, vol. XX, no. 1.

The second partition of Poland; a study in diplomatic history,

Thesis (Ph.D.)--Harvard University, 1910.

Interference and adaptability; an experimental study of their relation with special reference to individual differences,

Published also thesis (PH. D.) Columbia University, 1912.

Reaction to multiple stimuli,

Published also as thesis (PH. D.) Columbia University.

The relation of quickness of learning to retentiveness,

Published also as thesis (PH. D.) Columbia University, 1917.

Mental fatigue during continuous exercise of a single function /

Also published as thesis (Ph.D.) Columbia university, 1918.

The morphologic aspect of intelligence

"Columbia University, Contributions to Philosophy and Psychology, vol. XXVII, no. 2."

The Canada porcupine : a study of the learning process.

Originally presented as author's thesis (Ph.d.)-- Clark University, 1910.

A year's study of the daily learning of six children,

Type-writing was chosen as the subject of this study.